Crossword Genius

Take it in your own hands and chill out! (3,1,4)

Ross

I believe the answer is:

get a grip

I'm a little stuck... Click here to teach me more about this clue!

'your own hands and chill out' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'take it' is the wordplay.
I cannot quite understand how this works, but
'take' could be 'get' (synonyms) and 'get' is found within the answer.
This explanation may well be incorrect...

'in' is the link.

Can you help me to learn more?

I've seen this clue in The Times.
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